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Muscles (insertions - orgins) > Muscles of Head and Neck > Flashcards

Muscles of Head and Neck Flashcards

1
Q

Levator Scapulae

A

O- C1-4
I- Upper vertebral border of scapula
A-elevate scapula

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2
Q

Scalenes

A

O- Transverse process of cervical vertebrae
I- Ribs 1 & 2
A- rotates neck

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3
Q

Sternocleidomastoid

A

O- sternum, clavicle
I- mastoid process
A- flexes head

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4
Q

Sternohyoid

A

depress hyoid

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5
Q

Sternothyroid

A

depresses thyroid cartilage

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6
Q

Omohyoid

A

depress hyoid bond

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7
Q

Platysma

A

opens jaw

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8
Q

Mylohyoid

A

elevates hyoid

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9
Q

Frontalis

A

raise eyebrows

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10
Q

Occipitalis

A

draws scalp posterior

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11
Q

Temporalis

A

O- Temporal fossa
I- Ramus of mandible
A- close mandible

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12
Q

Masseter

A

O- Zygomatic arch
I- ramus of mandible
A- closes mandible

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13
Q

Pterygoids

A

medial gliding of mandible

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14
Q

Orbicularis oris

A

O- facial muscles near mouth
I- skin of lips
A- closes lips

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15
Q

Orbicularis oculi

A

O- Frontal and maxilla on medial margin of orbit
I- skin of eyelid
A- closes eyelid

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16
Q

Corrugator supercilii

A

adducts eyebros (pulls medially)

17
Q

Risorius

A

abducts corner of mouth

18
Q

Metalis

A

Protrudes lower lip

19
Q

Buccinator

A

compresses cheek

20
Q

Zygomaticus

A

elevates corners of mouth

21
Q

Depressor labii inferioris

A

depresses lower lip

22
Q

levator labii superioris

A

elevates upper lip

23
Q

digastric

A

elevates hyoid

Muscles (insertions - orgins) (5 decks)

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